linux-kernel - [RFC v1 17/28] x86, irq: Kill irq_cfg.irq

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Message-Id: <1411743478-31435-18-git-send-email-jiang.liu@linux.intel.com>
Date:	Fri, 26 Sep 2014 22:57:47 +0800
From:	Jiang Liu <jiang.liu@...ux.intel.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Borislav Petkov <bp@...en8.de>,
	Grant Likely <grant.likely@...aro.org>
Cc:	Jiang Liu <jiang.liu@...ux.intel.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tony Luck <tony.luck@...el.com>,
	Joerg Roedel <joro@...tes.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: [RFC v1 17/28] x86, irq: Kill irq_cfg.irq_remapped

Now there is no user of irq_cfg.irq_remapped, so kill it.

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
---
 arch/x86/include/asm/hw_irq.h       |    1 -
 drivers/iommu/amd_iommu.c           |    1 -
 drivers/iommu/intel_irq_remapping.c |    2 --
 3 files changed, 4 deletions(-)

diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index ceb0244c3454..990e255ea5d5 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -185,7 +185,6 @@ struct irq_cfg {
 	u8			vector;
 	u8			move_in_progress : 1;
 #ifdef CONFIG_IRQ_REMAP
-	u8			remapped : 1;
 	union {
 		struct irq_2_iommu irq_2_iommu;
 		struct irq_2_irte  irq_2_irte;
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 21f8edcc0635..28d1cd404ff1 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -4132,7 +4132,6 @@ static void irq_remapping_prepare_irte(struct amd_ir_data *data,
 	struct IR_IO_APIC_route_entry *entry = &data->ioapic_entry;
 	struct msi_msg *msg = &data->msi_entry;
 
-	irq_cfg->remapped = 1;
 	data->irq_2_irte.devid = devid;
 	data->irq_2_irte.index = index + sub_handle;
 
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 41ece6b0564e..5c77d6f04136 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -68,7 +68,6 @@ static int alloc_irte(struct intel_iommu *iommu, int irq,
 		      struct irq_2_iommu *irq_iommu, u16 count)
 {
 	struct ir_table *table = iommu->ir_table;
-	struct irq_cfg *cfg = irq_cfg(irq);
 	unsigned int mask = 0;
 	unsigned long flags;
 	int index;
@@ -95,7 +94,6 @@ static int alloc_irte(struct intel_iommu *iommu, int irq,
 	if (index < 0) {
 		pr_warn("IR%d: can't allocate an IRTE\n", iommu->seq_id);
 	} else {
-		cfg->remapped = 1;
 		irq_iommu->iommu = iommu;
 		irq_iommu->irte_index =  index;
 		irq_iommu->sub_handle = 0;
-- 
1.7.10.4

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